package collection;

import java.util.ArrayList;
import java.util.List;

public class ListDemo3 {
    public static void main(String[] args) {
        List<Integer> list = new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            list.add(i);
        }
        System.out.println(list);
        List<Integer> subList = list.subList(3, 8);
        System.out.println(subList);
        //将子集subList每个元素扩大10倍
        for (int i = 0; i < subList.size(); i++) {
            subList.set(i,subList.get(i)*10);
        }
        //操作子集就是操作原集合对应的元素
        System.out.println(subList);
        System.out.println(list);
        //将集合中2-8部分删除
        list.subList(2,9).clear();
        System.out.println(list);
    }
}
